Top seeds like Novak Djokovic of Serbia, Frenchman Jo-Wilfried Tsonga and Agnieszka Radwanska of Poland have advanced to the second round of the US Open Tennis Championships, taking place in New York.India will begin its campaign in the Doubles categories tonight. In Men's Doubles opening round, the Indian duo of Mahesh Bhupathi and Rohan Bopanna will take on the Aussie pair of Matthew Ebden and Bernard Tomic; while the Indo-Czech combination of Leander Paes and Radek Stepanek will meet the German pair of Dustin Brown and Christopher Kas.In the Mixed Doubles first round, the Indo-British combination of Sania Mirza and Colin Fleming will face the German-American pair of Andrea Petkovic and Eric Butorac.